Thermo-economic assessment of an externally fired hybrid CSP/biomass gas turbine and organic Rankine combined cycle

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Title: Thermo-economic assessment of an externally fired hybrid CSP/biomass gas turbine and organic Rankine combined cycle
Authors: Pantaleo, AM
Camporeale, SM
Miliozzi, A
Russo, V
Mugnozza, GS
Markides, CN
Shah, N
Item Type: Conference Paper
Abstract: This paper focuses on the thermo-economic analysis of a hybrid solar-biomass CHP combined cycle composed by a 1.3-MW externally fired gas-turbine (EFGT) and a bottoming organic Rankine cycle (ORC) plant. The primary thermal energy input is provided by a hybrid concentrating solar power (CSP) collector-array coupled to a biomass boiler. The CSP collector-array is based on parabolic-trough concentrators (PTCs) with molten salts as the heat transfer fluid (HTF) upstream of a fluidized-bed furnace for direct biomass combustion. Thermal-energy storage (TES) with two molten-salt tanks (one cold and one hot) is considered, as a means to reducing the variations in the plant's operating conditions and increasing the plant's capacity factor. On the basis of the results of the thermodynamic simulations, upfront and operational costs assessments, and considering an Italian energy policy scenario, the global energy conversion efficiency and investment profitability are estimated for 2 different sizes of CSP arrays and biomass furnaces. The results indicate the low economic profitability of CSP in comparison to only biomass CHP, because of the high investment costs, which are not compensated by higher electricity sales revenues.
Editors: Yan, J
Sun, F
Chou, SK
Desideri, U
Li, H
Campana, P
Xiong, R
Issue Date: 1-Jun-2017
Date of Acceptance: 8-Oct-2016
ISSN: 1876-6102
Publisher: Elsevier
Start Page: 174
End Page: 181
Journal / Book Title: Energy Procedia
Volume: 105
Copyright Statement: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( ).
Sponsor/Funder: Engineering & Physical Science Research Council (EPSRC)
Engineering & Physical Science Research Council (EPSRC)
Funder's Grant Number: EP/K036734/1
Conference Name: 8th International Conference on Applied Energy (ICAE)
Keywords: CHP
gate cycle
concentrating solar power
Publication Status: Published
Start Date: 2016-10-08
Finish Date: 2016-10-11
Conference Place: Beijing, PEOPLES R CHINA
Appears in Collections:Faculty of Engineering
Centre for Environmental Policy
Chemical Engineering
Faculty of Natural Sciences

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